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- Title
Cross Adaptation of Medicago sativa Seedlings Germinated from Ultra-dried Seeds to Saline and Alkaline Stresses.
- Authors
Huo, Ping-Hui; Li, Jian-Feng; Liu, Jin-Xiang; Zhang, Shu-Qing; Shi, Shang-Li
- Abstract
Seed ultra-drying reduces seed moisture content to 5-7% for safe storage. Many experiments have been carried out to study the effect of ultra-drying on seeds, but how germination behaviour from ultra-dried seeds grown under stresses have not been studied. Alfalfa (Medicago sativa L.) seeds were temporally (0, 12, 24, 48, 72, 96, 120, 144 and 216 h) ultra-dried with silica gel to study the responses of resulting seedlings to40 mM L-1salinity and15 mM L-1 alkalinity. The result indicates that seedlings raised from seeds with moisture contents ranged between 5.18% and 5.72% performed better at selected salinity (40 mM L-1) and alkalinity (15 mM L-1) with higher chlorophyll contents, total soluble sugar and root activity but lower MDA content, and showed neutral and alkaline salt resistant capabilities. In our study, ultra-drying of alfalfa seeds maintains seed viability, by improving the saline and alkaline resistant capabilities of resulting seedlings. © 2015 Friends Science Publishers
- Subjects
ALFALFA; PLANT adaptation; SEEDLINGS; GERMINATION; EFFECT of stress on plants
- Publication
International Journal of Agriculture & Biology, 2015, Vol 17, Issue 5, p860
- ISSN
1560-8530
- Publication type
Article
- DOI
10.17957/IJAB/15.0015